A new brain-scan investigation indicates that one type of hypnotic suggestion may literally change the way people see the world. A group led by Amir Raz of Columbia University studied 16 adults, ages ...
NASA has shared a mind-blowing image of a spiral galaxy – and it has a secret meaning. On Sunday, the US space agency took to Twitter to share an image of a stunning galaxy known as Messier 51 (M51), ...
Warning: This optical illusion might give you a headache. At a glance, the swirls of tilted black-and-white squares create the perception of a spiral. Look more closely and you realize that the ...
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